(06 Jul 2022, 6:18 pm)ne14ne1 wrote Rather random though. How did Red Kites represent environmental credentials?

It was in the Peter Huntley era. Buses had a sticker on the bank window with the number of red kites denoting the euro rating. So two red kites meant it was a euro 2 bus. At the time euro 5 was the highest rating and that was shown as 1 red kite soaring high.